Requirements:
1. SD card as you want but class 4 or higher SD Card will give excellent speed to your Phone.
2. Rooted smartphone or Rooted Tablet.
3. SD card reader
4. Windows PC
5. An internet connection for
downloading a few softwares or you
can get it from somewhere else also.
How to partition your SD Card:
1. Download Mini Tool Patition Wizard from Here
2. Install the application on your PC and
connect your SD card to your PC with Card
Reader.
3. Open Mini Tool Partition Wizard in your PC and
when the wizards open click on your SD Card
and select Delete option. (Note: This will format your SD Card completely mean that it will erase your data permanently, so previous to doing this backup your data at any place in PC or other Storage device.)
4. When the Formatting of your SD Card is
completed then, you have whole of space of
your SD Card as unallocated then Right click
SD Card and select make option.
5. A popup box will open giving you options for
making partition; select the partition as primary and file system as FAT if SD Card is less than 4GB or FAT32 if your SD Card is more than 4GB.
6. Leave about 512 MB or more space (your
choice) for making the next partition.
7. Then select done and do right click on
unallocated space of your SD Card and again
click make option. Select Primary partition but
change the file system to Ext2, Ext3 or Ext4.
Note: (Ext2 is not compulsory as most ROMs
work fine with it).
8. Click Apply Changes and then process goes
on for the few minutes and then partition is
completed.
How To Make Ram Of SD Card:
1. Download Link2SD.
2. On the first launch of the app, it will question for root permissions and then, it will question you the file system of the .ext partition that you had before made, choose the option as you had choose in the partitioning steps.
3. Sort the apps according to size and start
linking them.
You have done your task!
How To Increase RAM In ANdroid using SD Card